alaTest has collected and analyzed 2 user reviews of Lowrance LMS-520C Sonar / Chart Plotter / GPS from Amazon.com. The average user rating for this product is 4.0/5, compared to an average user rating of 4.0/5 for other GPS on Amazon.com. People really like the price. The usability also gets good feedback. There are some mixed comments about the performance and screen.

On my boat the smaller screen version like this hinders things a bit as it is far away. Would work great on boats less than 25' though. I'd probably spring for the larger screen if to do over again. Easy to work and the mapping is very easy to use. A...

Purchased to use on bassboat. It works in clean water but will not read bottom over weed bed where bass live. It just get garbled and becomes useless. The GPS frequently loses the satallite so it is not suitable for navigation or marking way points. In...

This is one of the most impressive pieces of electronics that I have ever owned. I was always afraid to go out in waters that I had never gone to before. But now with this GPS, I go all over without fear of getting lost. No boater should be without...